Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
| electrical_engineering_and_electronics:task_5u1zbroaz75w39jk_with_calculation [2024/07/15 15:18] – angelegt - Externe Bearbeitung 127.0.0.1 | electrical_engineering_and_electronics:task_5u1zbroaz75w39jk_with_calculation [2026/01/20 16:30] (aktuell) – mexleadmin | ||
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| Zeile 18: | Zeile 18: | ||
| # | # | ||
| - | First, calculate the magnitude of the forces, like $\vec{F}_{01}$. \\ | + | First, set up a coordinate system. Here, I choose x pointing to the right (positive values to the right) and y pointing upwards (positive values upwards). |
| + | |||
| + | Then, calculate the magnitude of the forces, like $\vec{F}_{01}$ | ||
| The force $\vec{F}_{01}$ is purely on the $x$-axis and therefore equal to $F_{01,x}$. | The force $\vec{F}_{01}$ is purely on the $x$-axis and therefore equal to $F_{01,x}$. | ||
| \begin{align*} | \begin{align*} | ||
| Zeile 26: | Zeile 28: | ||
| = 917.\; | = 917.\; | ||
| = 917.\; | = 917.\; | ||
| - | & | + | & |
| \end{align*} | \end{align*} | ||
| + | Since both $q_0$ and $q_1$ have the same sign for their charges, they are repelling each other. \\ | ||
| + | Therefore, The force $\vec{F}_{01}$ points to the right (positive value). | ||
| Similarly, we get for $\vec{F}_{02}$ and $\vec{F}_{03}$ | Similarly, we get for $\vec{F}_{02}$ and $\vec{F}_{03}$ | ||
| \begin{align*} | \begin{align*} | ||
| - | \vec{F}_{02} = F_{02,x} &= -1997.\; | + | \vec{F}_{02} = F_{02,x} &= -1997.\; |
| - | \vec{F}_{03} = F_{03,y} &= -1123.\; | + | \vec{F}_{03} = F_{03,y} &= -1123.\; |
| \end{align*} | \end{align*} | ||
| + | Since $q_0$ and $q_2$ have the different sign for their charges, they are attract each other. | ||
| + | Therefore, The force $\vec{F}_{02}$ points to the left (negative value). \\ | ||
| + | Since $q_0$ and $q_3$ have the different sign for their charges, they are attract each other. | ||
| + | Therefore, The force $\vec{F}_{03}$ points downwards (negative value). \\ | ||
| Zeile 39: | Zeile 47: | ||
| # | # | ||
| - | * $\vec{F}_{01} = \left( {\begin{array}{cccc} | + | * $\vec{F}_{01} = \left( {\begin{array}{cccc} |
| - | * $\vec{F}_{02} = \left( {\begin{array}{cccc} | + | * $\vec{F}_{02} = \left( {\begin{array}{cccc} |
| * $\vec{F}_{03} = \left( {\begin{array}{cccc} | * $\vec{F}_{03} = \left( {\begin{array}{cccc} | ||
| Zeile 51: | Zeile 59: | ||
| \begin{align*} | \begin{align*} | ||
| F = |\vec{F}| &= \sqrt{\left( \sum_i F_{i,x} \right)^2 + \left( \sum_i F_{i,y} \right)^2} \\ | F = |\vec{F}| &= \sqrt{\left( \sum_i F_{i,x} \right)^2 + \left( \sum_i F_{i,y} \right)^2} \\ | ||
| - | &= \sqrt{\left( +917 {~\rm \mu N} - 1997 {~\rm \mu N} \right)^2 + \left( 1123 {~\rm \mu N} \right)^2} \\ | + | &= \sqrt{\left( +917 {~\rm \mu N} - 1997 {~\rm \mu N} \right)^2 + \left( |
| &= 1560.\; | &= 1560.\; | ||
| \end{align*} | \end{align*} | ||